When light passes from one medium to another, this phenomenon of change in its direction is called
(A) Refraction
(B) Diffraction
(C) Propagation
(D) No option is correct
Correct Answer : Refraction
Question Asked : SSC CGL Tier-I (CBE) Exam 2017
Explanation : The phenomenon of bending of light as it passes from one medium to another is known as the refraction of light. Refraction is the change in direction of a wave due to a change in its medium. It is essentially a surface phenomenon. This is most commonly observed when a wave passes from one medium to another at any angle other than 0° from the normal.
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